Here are some links to further your knowldege of the area.
Somalia tops terrorism risk list, Yemen danger up
Terrorism Out of Somalia - Carnegie Endowment for International Peace
And of course when they leave Somalia they often take their culture with them.
Axe-wielding Somali convicted of attempted manslaughter, terrorism in attack on Motoonist gets 9 years in jail - Jihad Watch
Dutch police arrest Somalis over terrorism plot - Europe, World - The Independent
They? Their?You mean when they overthrew a Government the population supported and who bought peace to the land because the Islamists did not match their ambitions in the region and funded warlords to stay in power?
Yes, that's the one!!!You mean the air strikes Bush supported in Somalia?
BBC NEWS | Africa | US Somali air strikes 'kill many'
They obviously didn't get the job done.
This one.You mean when US gave money and weapons to Ethiopia to kill Somalis with and sparked an insurgency and led to the rebirth of Al Shabab as Al Qaeda's ideological cousins?
USAID Africa: Somalia
"This Administration will constantly strive to promote an ownership society in America. We want more people owning their own home. It is in our national interest that more people own their own home. After all, if you own your own home, you have a vital stake in the future of our country."" GWB